Example tweaks

examples/26_lighting.py

@@ -8,7 +8,6 @@
 
 import numpy as onp
 import trimesh
-
 import viser
 import viser.transforms as tf
 
@@ -40,9 +39,9 @@ def main() -> None:
     )
 
     # adding controls to custom lights in the scene
-    server.scene.add_transform_controls("/control0")
+    server.scene.add_transform_controls("/control0", position=(0.0, 10.0, 5.0))
     server.scene.add_label("/control0/label", "Directional")
-    server.scene.add_transform_controls("/control1")
+    server.scene.add_transform_controls("/control1", position=(0.0, -5.0, 5.0))
     server.scene.add_label("/control1/label", "Point")
 
     directional_light = server.scene.add_light_directional(
@@ -52,7 +51,7 @@ def main() -> None:
     point_light = server.scene.add_light_point(
         name="/control1/point_light",
         color=(192, 255, 238),
-        intensity=3.0,
+        intensity=30.0,
     )
 
     # Create default light toggle.
@@ -87,7 +86,7 @@ def _(_) -> None:
         gui_point_intensity = server.gui.add_slider(
             "Intensity",
             min=0.0,
-            max=20.0,
+            max=200.0,
             step=0.01,
             initial_value=point_light.intensity,
         )
@@ -139,7 +138,7 @@ def _(_) -> None:
             min=0.0,
             max=1.0,
             step=0.01,
-            initial_value=1.0,
+            initial_value=0.1,
         )
 
     def update_environment_map(_) -> None:
@@ -151,6 +150,7 @@ def update_environment_map(_) -> None:
             environment_intensity=gui_env_intensity.value,
         )
 
+    update_environment_map(None)
     gui_env_preset.on_update(update_environment_map)
     gui_background.on_update(update_environment_map)
     gui_bg_blurriness.on_update(update_environment_map)